The O-Ring, cataloged under National Stock Number 5331-01-560-0855, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hayes Diversified Technologies, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-560-0855 |
| Primary Part Number | 671B2555 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hayes Diversified Technologies, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 671B2555 PRIMARY | Hayes Diversified Technologies, Inc (USA) |
NSN 5331-01-560-0855 is a O-Ring, manufactured by Hayes Diversified Technologies, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-560-0855 has 1 manufacturer part number on file: 671B2555 (Hayes Diversified Technologies, Inc).
Key specifications for 671B2555: Part Name Assigned by Controlling Agency: O-RING,55MM MM; End Item Identification: 2340-01-530-9371;MILITARY MOTORCYCLE,MULTI-FUEL. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.